Author: nonight

Researchers selected about 1200 families from the mainland of the United States, and volunteers of the “wildlife in my home” scientific research project collected dust samples inside and outside the houses at each location. Through analysis, the researchers found that the dust of each family contains about 7000 different kinds

After the eye drops are opened, the storage environment changes, and the efficacy will gradually weaken. In the process of use and storage, the liquid medicine may also be polluted by microorganisms in the air, which brings hidden dangers. If the use method is improper, the dripper will contact the

Li Hongzhu, associate researcher of Tianjin Pharmaceutical Research Institute, said: “color straws contain more synthetic dyes than colorless transparent straws. The brightly colored dyes contain a lot of heavy metals such as lead and cadmium and diazo poisons. These ingredients can cause diseases for people with low immunity.” According to

When you clean things with a sponge, the sponge will be stained with all kinds of bacteria. The more things we wash with it, the longer we use the sponge, the dirtier it becomes. And soon, the sponge will transfer the bacteria to other objects. In 2002, a research result

There are many claims circulating on the Internet, for example, many small things in life can cause cancer. Among them, the most common things are the following 9. Let’s find out. 1. Artificial sweetener — fake In fact, there is no evidence that artificial sweeteners can increase the risk of

In order to ensure that the spine and back muscles are fully rested, it is best to choose a rigid bed. This is what the Chinese say. How to choose a hard bed and a soft mattress? rigid plank bed is good for lumbar spine According to Fang Xiangyi, chief

It is said that there are more bacteria on mobile phones than on toilets. Do you believe it? Data show that people may touch 300 different object surfaces every half an hour, and then touch their face 18 times an hour on average. These actions can easily lead to bacteria

Australia’s “science and technology insider” reported on October 15 that Philip J? Tierno’s research found that: there will be fungal spores, bacteria, animal dander, pollen, soil, lint, finishing agents and coloring materials of bed sheet materials, and various excrement from the body (such as sweat, sputum, vaginal and anal secretions,

At 6 o’clock in the morning of late winter, under the cover of the thick bed curtain, the bedroom was dark. Just after being awakened by the alarm clock, Ms. Wang turned on the lamp blearily. The bright light stabbed her eyes; Aunt Li has the habit of getting up

Studies have found that 40% of food poisoning is caused by poor hygiene problems at home. In the kitchen, the dirtiest item is the chopping board, which hides 200% more bacteria than the toilet. We usually think that the toilet is dirty, so we spend a lot of time cleaning

A survey in the UK shows that on average, 1 / 5 of backpacks contain harmful bacteria that can cause diseases , and leather bags are easier to hide bacteria than other materials. Because leather can provide a favorable environment for the growth of most bacteria, and people will neglect

Haze is a combination of fog and haze. Smog is common in cities. Many regions in China combine fog with haze as a disastrous weather phenomenon for early warning and forecasting, collectively known as “haze weather”. Recently, the haze in the north is serious. Yesterday, there was continuous fog with